Altec Lansing M602 Speaker System for iPod (Black) Compatibility: iPod mini; iPod nano 1G, 2G; iPod 3G, 4G, 5G, 5.5G Powered 60-watt speaker system with universal iPod dock and MP3 cradle; composite video output; 1-year warranty Pair of 3-inch, full-range neodymium drivers and 1-inch silk-dome tweeters Universal dock amplifies, recharges, and syncs your iPod while you listen MP3 cradle fits older iPods and MP3 players; wireless remote and built-in controls